Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thi chien » thi hien, thi thien, thien chien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong van » cong vang, song van, cong tan
cong san » cong tac
tan cau » toan cau, van cau, tan ca

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 (thi chien)) xanh - canh tranh cua nhung ((cong van) OR (cong san)) tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi chien)) xanh - canh tranh cua nhung ((cong van) OR (cong san)) tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (thi chien)) xanh - canh tranh cua nhung ((cong van) OR (cong san)) tan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi chien)) xanh - canh tranh cua nhung ((cong van) OR (cong san)) tan cau*.