Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
manh tung » manh hung, thanh tung
ho chieu » theo chieu, hoc thieu, doi chieu
tung dat » dung dat, vung dat, tung dan
dat hang » dat khanh, dat quang, tat thang
cong tac » cong ty
toan cau » 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 tinh - manh tung dat hang ((cong tac) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - manh tung dat hang ((cong tac) OR (huong dan)) toan cau*.