Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hieu cach » hieu cac, chieu sach, hieu ca
doanh cua » doanh luan
tuong van » truong van, trong van, duong van
van quang » van quan, tran quang, van tuan
quang ban » quang binh, quang tuan, quang tran
hoc hieu » hoc thieu, hoc hien, doc hieu
ban cua » ban quan

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 cach - hanh ((((manh cua) OR (ban cua))) or (doanh cua)) nhung tuong van quang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - hanh ((((manh cua) OR (ban cua))) OR (doanh cua)) nhung tuong van quang ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu cach - hanh ((((manh cua) OR (ban cua))) or (doanh cua)) nhung tuong van quang ban*".