Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
anh bang » anh hoang, anh quang, tinh bang
cong tan » cong tac, cong san, cong thanh
phan tap » phan lap, han tap, pha 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 - ((hanh mang) or (anh bang)) cua nhung ((cong tan) or (cong trinh)) phan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh mang) OR (anh bang)) cua nhung ((cong tan) OR (cong trinh)) phan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh mang) or (anh bang)) cua nhung ((cong tan) or (cong trinh)) phan tap*.