Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
thanh lam » thanh lap, thanh nam, thanh tam
van thong » van thuong, van phong, va thong
hanh lam » thanh lap, hanh kem, hanh va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban
doi chi » doi khi

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 (doi chi)) xanh - ((hanh lam) or (thanh lam)) van thong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - ((hanh lam) OR (thanh lam)) van thong cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi chi)) xanh - ((hanh lam) or (thanh lam)) van thong cong san toan tap*.