Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
van manh » van minh, van anh, van hanh
cua dang » cua cong, cua ban
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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 sach - van manh ((cua dang) or (quang dung)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - van manh ((cua dang) OR (quang dung)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - van manh ((cua dang) or (quang dung)) cong tac toan cao*.