Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
hoc thieu » toc thieu, hoc hien
luat dung » suat dung, luat chung, thuat dung
thuat ung » thuat dung, thuat hung, thuat xung
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - canh trinh ((luat dung) or (thuat ung)) cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - canh trinh ((luat dung) OR (thuat ung)) cong ban thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - canh trinh ((luat dung) or (thuat ung)) cong ban thanh cau*.