Perhaps you should try some spelling variations:
thanh trung » thanh tung
thi chieu » thi chien, thi hieu, theo chieu
trung kha » trung khoa, trung ha, truong khoa
luong tai » dung tai, luong va
kha nang » phap nang, ky nang, ki nang
cong tap » cuong tap, cong tac, cong tan
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: ((thi chieu) or (theo tieu)) xanh - thanh trung kha nang ((cong tap) or (luong tai)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo tieu)) xanh - thanh trung kha nang ((cong tap) OR (luong tai)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo tieu)) xanh - thanh trung kha nang ((cong tap) or (luong tai)) toan cau*.