Perhaps you should try some spelling variations:
thanh trung » thanh tung
hoc thieu » toc thieu, hoc hien
trung dam » trung tam, trung dai, trong dam
dam tuong » dai tuong, dau tuong, dam duong
duong tan » duong tuan, duong van, duong tai
tran van » luan van
toan ban » van 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 (theo tieu)) xanh - thanh trung dam tuong duong tan ((tran van) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo tieu)) xanh - thanh trung dam tuong duong tan ((tran van) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo tieu)) xanh - thanh trung dam tuong duong tan ((tran van) or (toan ban))*.