Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
va thong » va thuong, va phuong, he thong

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 hang) OR (hang hang)) va thong thong ((anh tuan) or (thanh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((hanh hang) OR (hang hang)) va thong thong ((anh tuan) OR (thanh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - ((hanh hang) OR (hang hang)) va thong thong ((anh tuan) or (thanh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((hanh hang) OR (hang hang)) va thong thong ((anh tuan) or (thanh toan)) cau*.