Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trang vat » trang va, trang vai, tang vat
dung cong » dung trong
cong vang » cong lang, cong quang, cong ngang
vang tuan » van tuan, vong tuan, quang tuan
vat dung » van dung, va dung, viet dung
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (chieu sang)) - canh trang vat dung cong vang tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (chieu sang)) - canh trang vat dung cong vang tuan ban*.