Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo trieu » theo tieu, theo chieu, thep tieu
tang vat » tang van, dang vat, bang vat
cong dan » cong san, cong tan, huong dan
toan tai » toan tap, doanh tai, toan cao
toan ban » van ban
tan van » tran van, tang van, luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo trieu tinh - anh ((tang vat) or (tan van)) nhung cong dan ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo trieu tinh - anh ((tang vat) OR (tan van)) nhung cong dan ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo trieu tinh - anh ((tang vat) or (tan van)) nhung cong dan ((toan tai) or (toan ban))*.