Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
thi chien » thi hien, thi thien, thien chien
canh manh » lanh manh, canh tranh, cach mang
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
cong san » cong tac
san tan » van tan, san van, san tay
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 manh ((cua dung) OR (cua dang)) cong san tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (thi chien)) xanh - canh manh ((cua dung) OR (cua dang)) cong san tan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (thi chien)) xanh - canh manh ((cua dung) OR (cua dang)) cong san tan cau".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (thi chien)) xanh - canh manh ((cua dung) OR (cua dang)) cong san tan cau*.