Perhaps you should try some spelling variations:
thong chuyen » khong chuyen, bong chuyen, dong chuyen
trong chuan » thong chuan, trong chan, trong thuan
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hang cong » dang cong, hang nong, bang cong
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu tinh) or (chieu sang)) - hanh ((trong chuan) or (thong chuyen)) hang cong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chieu sang)) - hanh ((trong chuan) OR (thong chuyen)) hang cong ban than cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (chieu sang)) - hanh ((trong chuan) or (thong chuyen)) hang cong ban than cao*.