Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
trang cua » tranh cua, tang cua, trung cua
dung cong » dung trong
manh cua » doanh cua, ban cua
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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