Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
nhan cach » phan cac
ho chieu » theo chieu, doi chieu, mot chieu
cong san » cong tac
san nhan » van nhan, ban nhan, sat nhan
va hang » van hang, va lang, va hanh
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (hoc thieu)) xanh - canh tranh ((va hang) or (va nang)) cong san nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh tranh ((va hang) OR (va nang)) cong san nhan cach.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (hoc thieu)) xanh - canh tranh ((va hang) or (va nang)) cong san nhan cach".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (hoc thieu)) xanh - canh tranh ((va hang) or (va nang)) cong san nhan cach*.