Perhaps you should try some spelling variations:
"chien tranh thong moi" » "chien tranh trong moi" (Expand Search), "chien trinh thong moi" (Expand Search), "chien nganh thong moi" (Expand Search), "chien tranh thon moi" (Expand Search), "chien tranh thong o" (Expand Search)
"chien tranh chong toi" » "chien thanh chuong toi" (Expand Search), "chien tran hong toi" (Expand Search), "chien tranh huong toi" (Expand Search), "chien tranh bong toi" (Expand Search), "chien tranh duong toi" (Expand Search)
"chien tranh chung toi" » "chien thanh chung toi" (Expand Search), "chien tranh hung toi" (Expand Search), "chien thanh chuong toi" (Expand Search), "chien tranh huong toi" (Expand Search), "chien tranh chung ta" (Expand Search), "chien tranh chung hoc" (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("chien tranh thong moi") OR ((("chien tranh chong toi") OR ("chien tranh chung toi"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"chien tranh thong moi\") OR (((\"chien tranh chong toi\") OR (\"chien tranh chung toi\"))))".
• Removing quotes may allow a broader search: (( chien tranh thong moi ) OR ((( chien tranh chong toi ) OR ( chien tranh chung toi )))).
• Adding a wildcard symbol may retrieve word variants: (("chien tranh thong moi") OR ((("chien tranh chong toi") OR ("chien tranh chung toi"))))*.