Perhaps you should try some spelling variations:
thieu sang » chieu sang, thieu khang, thieu quang
canh trang » canh tranh, hanh trang, banh trang
hoc thieu » toc thieu, hoc hien
trang vat » trang va, trang vai, tang vat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - canh trang vat dung cong ((dan than) OR (ban than)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - canh trang vat dung cong ((dan than) OR (ban than)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - canh trang vat dung cong ((dan than) OR (ban than)) ban*.