Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
hoc thieu » toc thieu, hoc hien
tan khoan » toan khoan, tai khoan, tao khoang
khoan cam » khoa cam, khoan va, phan cam
trinh va » trinh van, trinh vat, trinh ve
cong tan » cong tac, cong san, cong thanh
doi chi » doi khi

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 (((doi chi) or (thi chieu)))) xanh - canh trinh va nhung cong tan khoan cam~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (((doi chi) OR (thi chieu)))) xanh - canh trinh va nhung cong tan khoan cam.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (((doi chi) or (thi chieu)))) xanh - canh trinh va nhung cong tan khoan cam*.