Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tranh va » tranh van, trang va, thanh va
trinh va » trinh van, trinh vat, trinh ve
toan tap » toan ban

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)) - canh ((tranh va) or (trinh va)) dung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (chieu sang)) - canh ((tranh va) OR (trinh va)) dung cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (chieu sang)) - canh ((tranh va) or (trinh va)) dung cong manh toan tap*.