Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh chua » trinh chuan, trinh cua, trinh chu
thi chieu » thi chien, thi hieu, theo chieu
chua nang » chuc nang, chua xang, kha nang
nang nong » nang song, hang nong, nang dong
theo chu » theo chieu, cho chu, chao chu
nong tan » cong tan, nong dan, nong san
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (theo chu)) xanh - hanh trinh chua nang nong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chu)) xanh - hanh trinh chua nang nong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) xanh - hanh trinh chua nang nong tan toan cao*.