Perhaps you should try some spelling variations:
thien minh » tien minh, trien minh, thien tinh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
tung va » trung va, tuong va, dung va
tinh » trinh, dinh, kinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((diep tinh) or (thien minh)) - thanh tung va nhung cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((diep tinh) OR (thien minh)) - thanh tung va nhung cong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: hoc ((diep tinh) or (thien minh)) - thanh tung va nhung cong dan ((toan tap) or (toan ban))*.