Perhaps you should try some spelling variations:
ganh nang » anh nang, nganh nong, van nang
trong tan » trong quan, trong cac, trong ca
hoc tien » hoc tieng, hoc hien, hoc vien
tien anh » tieng anh, tien manh, dien anh
duc dung » duc cuong, duc trung, duc phung
toan cau » toan cao, toan tap, toan tai
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 tien anh - ganh nang ((duc dung) OR (duc hung)) trong tan ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc tien anh - ganh nang ((duc dung) OR (duc hung)) trong tan ((toan cau) OR (toan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tien anh - ganh nang ((duc dung) OR (duc hung)) trong tan ((toan cau) or (toan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc tien anh - ganh nang ((duc dung) OR (duc hung)) trong tan ((toan cau) or (toan ban))*.