Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
sinh san » trinh san, sinh vat, sinh va
thang va » hang va, trang va, thong va
cong san » cong tac
san than » sang than, san thanh, ban than
than cap » khan cap, thanh lap, thanh cac
tang va » trang va, tang van, tang vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sinh san - anh ((tang va) OR (thang va)) nhung cong san than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sinh san - anh ((tang va) OR (thang va)) nhung cong san than cap".
• Adding a wildcard symbol may retrieve word variants: hoc sinh san - anh ((tang va) OR (thang va)) nhung cong san than cap*.