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
tuong va » truong va, thuong va, duong va
luong va » dung va
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap
tung va » trung va, dung va, vung va

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 va) or (((tuong va) or (luong va)))) nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh ((tung va) OR (((tuong va) OR (luong va)))) nhung cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh ((tung va) or (((tuong va) or (luong va)))) nhung cong van toan cao*.