Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, cong tan
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
toan tap » toan 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 thieu tinh - thanh tung cua nhung ((cong tac) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - thanh tung cua nhung ((cong tac) OR (cong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - thanh tung cua nhung ((cong tac) or (cong thanh)) toan tap*.