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