Perhaps you should try some spelling variations:
thanh tung » thanh cong
hoc thieu » hoc hien
tung dai » trung dai, tuong dai, tung dan
ban cong » bang cong, van cong, phan cong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
dai ban » dai han, tai ban, di ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) xanh - thanh tung dai ban cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh tung dai ban cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - thanh tung dai ban cong tan ((toan cau) or (toan tap))*.