Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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 trinh luat ((((thong cong) or (hang cong))) or (dung cong)) manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trinh luat ((((thong cong) OR (hang cong))) OR (dung cong)) manh toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trinh luat ((((thong cong) or (hang cong))) or (dung cong)) manh toan ban*.