Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
trang cua » tang cua, trung cua, thang cua
tranh cua » doanh cua, manh cua
cong tac » cong ty
toan ban » van ban
can 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 thien thanh - hanh ((trang cua) OR (tranh cua)) trong cong tac ((can ban) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien thanh - hanh ((trang cua) OR (tranh cua)) trong cong tac ((can ban) OR (toan ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - hanh ((trang cua) OR (tranh cua)) trong cong tac ((can ban) or (toan ban))*".