Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
cua phuong » cuu phuong, luan phuong, xuan phuong
cuc phuong » cac phuong, cuu phuong, chuc thuong
hoc thieu » toc thieu, hoc hien
cong tac » cong ty
than ban » thanh ban, toan ban, nhuan ban
than man » than ma, thanh san, tran manh

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