Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, nhung don
trinh vat » trinh van, trinh luat, sinh vat
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - hanh trinh vat ((((nhung cong) OR (hang cong))) or (dang cong)) van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - hanh trinh vat ((((nhung cong) OR (hang cong))) OR (dang cong)) van thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - hanh trinh vat ((((nhung cong) OR (hang cong))) or (dang cong)) van thanh tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - hanh trinh vat ((((nhung cong) OR (hang cong))) or (dang cong)) van thanh tap*.