Perhaps you should try some spelling variations:
thieu khang » chieu khong
thieu quang » hieu quang, thien quan, trien quang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua
manh cua » doanh cua, ban cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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 khang) OR (thieu quang)) - canh ((tranh cua) or (manh cua)) nhung cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (thieu quang)) - canh ((tranh cua) OR (manh cua)) nhung cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu khang) OR (thieu quang)) - canh ((tranh cua) or (manh cua)) nhung cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) OR (thieu quang)) - canh ((tranh cua) or (manh cua)) nhung cong tan toan ban*.