Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
hanh suat » hanh sua, hanh luat, nang suat
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, doi chieu, mot chieu
cong san » cong tac
toan ban » van ban
suat va » xuat va
va hang » van hang, va nang, va lang

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 - hanh suat va hang cong san ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh suat va hang cong san ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - hanh suat va hang cong san ((toan ban) or (toan tap))*.