Perhaps you should try some spelling variations:
tranh hoac » thanh hoach, thanh hoa, trinh hoa
hoac khong » hoa khong, hoc khong, hay khong
khong cong » thong cong, khong cang, chong cong
theo chu » theo chieu, cho chu, chao chu
ho chieu » theo chieu, hoc thieu, doi chieu
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chu) or (ho chieu)) xanh - canh tranh hoac khong cong ban than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chu) OR (ho chieu)) xanh - canh tranh hoac khong cong ban than tap.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (ho chieu)) xanh - canh tranh hoac khong cong ban than tap*.