Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tang » cong thang, cong lang, cong vang
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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 - canh tranh cua nhung ((cong tan) or (cong tang)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh cua nhung ((cong tan) OR (cong tang)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh cua nhung ((cong tan) or (cong tang)) toan cau*.