Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
duong van » luong va, dang van, trong van
theo chu » theo chieu, cho chu, chao chu
duong va » dung va, luong va, dong va
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) or (theo chu)) xanh - canh tranh cua nhung ((duong van) OR (duong va)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo chu)) xanh - canh tranh cua nhung ((duong van) OR (duong va)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo chu)) xanh - canh tranh cua nhung ((duong van) OR (duong va)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo chu)) xanh - canh tranh cua nhung ((duong van) OR (duong va)) toan cau*.