Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh vat » trinh van, trinh luat, sinh vat
dung cong » dung trong
ho chieu » theo chieu, doi chieu, mot chieu
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
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: ((ho chieu) or (hoc thieu)) xanh - hanh trinh vat dung cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - hanh trinh vat dung cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - hanh trinh vat dung cong tan ((toan cau) or (toan cao))*.