Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
doc hieu » toc thieu, hoc hien
theo chu » theo chieu, cho chu, chao chu
tung cua » trung cua, tuong cua, dung cua
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan 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: ((((doc hieu) or (hoc thieu))) or (theo chu)) xanh - thanh tung cua nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doc hieu) OR (hoc thieu))) OR (theo chu)) xanh - thanh tung cua nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ((((doc hieu) or (hoc thieu))) or (theo chu)) xanh - thanh tung cua nhung cong tac toan ban*.