Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
trung nam » trung tam, trong nam, trung cap
vung cong » dung cong, vung dong, vung song
nam vung » nam trung
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
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 tinh - thanh trung nam vung cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh trung nam vung cong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh trung nam vung cong tac ((toan cau) or (toan ban))*.