Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, ho chieu
thanh cao » thanh ca, thanh cac, thanh thao
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cong san » cong tac

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 - ((anh tang) or (anh dang)) cua cong ((cong san) or (cong ngang)) thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - ((anh tang) OR (anh dang)) cua cong ((cong san) OR (cong ngang)) thanh cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - ((anh tang) or (anh dang)) cua cong ((cong san) or (cong ngang)) thanh cao*.