Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, bang cong, thanh cong
hang nong » thang long, han tong
thanh van » thanh san, thanh toan, thanh phan

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 xanh - hanh trinh luat ((((hang cong) OR (hang nong))) or (thong cong)) thanh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh luat ((((hang cong) OR (hang nong))) OR (thong cong)) thanh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh luat ((((hang cong) OR (hang nong))) or (thong cong)) thanh van ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh luat ((((hang cong) OR (hang nong))) or (thong cong)) thanh van ban*.