Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
trung cap » truong cao, trung tam
tung cap » cung cap, thong cap, trong cap
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 ((tung cap) or (trung cap)) nhung cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((tung cap) OR (trung cap)) nhung cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((tung cap) or (trung cap)) nhung cong van toan ban*.