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
thang cua » thong cua, than cua, thang mua
cong sang » cong san, cong lang, cong vang
sang toan » sang than, dang toan, quang toan
hang cua » mang cua, hang ca, huong cua
tang cua » mang cua, tang luan, thong cua
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: hoc thieu sach - hanh ((((thang cua) OR (hang cua))) or (tang cua)) nhung cong sang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh ((((thang cua) OR (hang cua))) OR (tang cua)) nhung cong sang toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh ((((thang cua) OR (hang cua))) or (tang cua)) nhung cong sang toan cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh ((((thang cua) OR (hang cua))) or (tang cua)) nhung cong sang toan cao*.