Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
theo hoc » theo hop, te hoc, cho hoc
thao hoc » thai hoc, than hoc, thao khoa
anh mang » hanh mang, anh dang, anh nang
anh bang » anh hoang, anh quang, tinh bang
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van 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: ((theo hoc) OR (thao hoc)) sach - ((anh mang) or (anh bang)) cua nhung cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo hoc) OR (thao hoc)) sach - ((anh mang) OR (anh bang)) cua nhung cong tan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo hoc) OR (thao hoc)) sach - ((anh mang) or (anh bang)) cua nhung cong tan toan cao".
• Adding a wildcard symbol may retrieve word variants: ((theo hoc) OR (thao hoc)) sach - ((anh mang) or (anh bang)) cua nhung cong tan toan cao*.