Perhaps you should try some spelling variations:
cong thuong » hang thuong
thanh dung » thanh duong, thanh tung, thanh hung
thuong dan » huong dan, thuong han, thuong dam
hoc thieu » hoc hien
nhan cach » phan cac
dung gap » dung lap, dung giao, dung ngan
gap cong » tap cong, lap cong, phap cong
phan lap » phan dau

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) or (toc thieu)) xanh - thanh dung gap cong thuong dan ((phan lap) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) xanh - thanh dung gap cong thuong dan ((phan lap) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) xanh - thanh dung gap cong thuong dan ((phan lap) or (nhan cach))*.