Perhaps you should try some spelling variations:
tang quang » tang quan, hang quang, thong quang
dang quang » dung quang, nang quan, dang hung
hieu manh » chieu xanh, hieu nganh, dieu hanh
trong ban » trong san, trong tan, trong quan
hoc hieu » hoc thieu, hoc hien, doc hieu
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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 manh - anh ((tang quang) or (dang quang)) dung trong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - anh ((tang quang) OR (dang quang)) dung trong ban than cao.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - anh ((tang quang) or (dang quang)) dung trong ban than cao*.