Perhaps you should try some spelling variations:
doi trieu » dong trieu, doi chieu, doi trinh
manh hung » anh huong
cong lang » cong vang, cong luong, cong quang
nhanh cau » nhanh cay, thanh chau, nhanh ha
hung dao » huong dan, duong dao, luong dao
cong san » cong tac
dao ung » dao vung, dao nung, dap ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi trieu tinh - manh hung dao ung ((cong san) or (cong lang)) nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trieu tinh - manh hung dao ung ((cong san) OR (cong lang)) nhanh cau*.