Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
hien sang » hien trang, khien bang, chieu sang
trang vat » trang va, trang vai, tang vat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van 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 hien sang - canh trang vat dung cong dan toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - canh trang vat dung cong dan toan ban*.