Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh tran » thanh tran, hanh tram, thanh trang
cong tac » cong ty
toan ban » van ban

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 tran) OR (hanh trang)) va nhung cong tac ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((hanh tran) OR (hanh trang)) va nhung cong tac ((toan tap) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((hanh tran) OR (hanh trang)) va nhung cong tac ((toan tap) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((hanh tran) OR (hanh trang)) va nhung cong tac ((toan tap) or (toan ban))*.