Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
thanh bac » nhanh bac, thanh bai, thanh san
ho chieu » hoc thieu, doi chieu, mot chieu
cong ban » cong bang, cong san, cong tan
phan lap » phan dau
tung va » trung va, tuong va, dung va

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh tung va nhung cong ban ((phan lap) OR (thanh bac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) xanh - thanh tung va nhung cong ban ((phan lap) or (thanh bac))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) xanh - thanh tung va nhung cong ban ((phan lap) or (thanh bac))*.