Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
hanh nhan » thanh nhan, danh nhan, anh nhan
tran manh » tran minh, tran thanh, tran van
cong dan » cong san, cong tan, huong dan
nhan va » nhan tai, nhan dan, nhan tao
than ma » than man, khan ma, nhan ma
than va » thanh va, toan va, han va

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 nhan va nhung cong dan ((((than ma) or (than va))) or (tran manh))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh nhan va nhung cong dan ((((than ma) OR (than va))) OR (tran manh)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh nhan va nhung cong dan ((((than ma) or (than va))) or (tran manh))*.