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
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
thanh lap » thanh san, thanh hai, thanh van
cong dan » cong san, cong tan, huong dan
phan lap » phan dau

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 ((trang cua) OR (trung cua)) nhung cong dan ((thanh lap) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((trang cua) OR (trung cua)) nhung cong dan ((thanh lap) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh ((trang cua) OR (trung cua)) nhung cong dan ((thanh lap) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((trang cua) OR (trung cua)) nhung cong dan ((thanh lap) or (phan lap))*.