Perhaps you should try some spelling variations:
thanh huong » thanh hung, thanh cong, anh huong
hien danh » thien danh, hien hanh, hien nhanh
trong san » cong san, dong san, trong ca
huong va » thuong va, luong va, duong va
than tap » toan tap, phan tap, than cap
va dung » van dung, va duong, vat dung
han tap » han tai, toan tap, nhan tai

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 danh - thanh huong va dung ((trong san) or (trong cac)) ((than tap) or (han tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien danh - thanh huong va dung ((trong san) OR (trong cac)) ((than tap) OR (han tap)).
• Adding a wildcard symbol may retrieve word variants: hoc hien danh - thanh huong va dung ((trong san) or (trong cac)) ((than tap) or (han tap))*.