Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
van tiang » van thang, van tang, van trang
van giang » manh giang, tran giang, dan gian
manh cua » ban cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien danh - nhanh ((manh cua) or (doanh cua)) nhung cong ((van tiang) OR (van giang)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - nhanh ((manh cua) OR (doanh cua)) nhung cong ((van tiang) OR (van giang)) ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien danh - nhanh ((manh cua) or (doanh cua)) nhung cong ((van tiang) OR (van giang)) ban*".