Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
quan hoang » luan hoan
hoc thieu » toc thieu, hoc hien
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, toan ban
va hang » van hang, va nang, va hanh
va lang » va nang, hoa lang

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 sang - canh tranh ((((va hang) or (quan hoang))) or (va lang)) cong tan tran ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - canh tranh ((((va hang) OR (quan hoang))) OR (va lang)) cong tan tran ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh tranh ((((va hang) or (quan hoang))) or (va lang)) cong tan tran ban*.