Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
quan nhung » qua nhung, luan chung, quang hung
hoc thieu » toc thieu, hoc hien
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
cong tan » cong tac, cong san, cong thanh
toan cau » 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 chinh ((quan nhung) OR (cua nhung)) ((cong manh) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh chinh ((quan nhung) OR (cua nhung)) ((cong manh) OR (cong tan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh chinh ((quan nhung) OR (cua nhung)) ((cong manh) or (cong tan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh chinh ((quan nhung) OR (cua nhung)) ((cong manh) or (cong tan)) toan cau*.