Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
cong van » cong vang, cong san, song van
van van » tan van, san van, van 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 thieu) or (doi khi)) xanh - ((hanh tang) or (thanh trung)) cua thong cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi khi)) xanh - ((hanh tang) OR (thanh trung)) cua thong cong van van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (doi khi)) xanh - ((hanh tang) or (thanh trung)) cua thong cong van van ban*.