Perhaps you should try some spelling variations:
thanh hoang » thanh cong, thanh hoa, thanh toan
thieu sach » thien hach, hieu cach, theo sach
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hanh hang » thanh hang, hang hang, hanh han
cua nhung » va nhung
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan tap » toan 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) OR (chieu sach)) - ((hanh hang) or (thanh hoang)) cua nhung cong van toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sach) OR (chieu sach)) - ((hanh hang) OR (thanh hoang)) cua nhung cong van toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sach) OR (chieu sach)) - ((hanh hang) or (thanh hoang)) cua nhung cong van toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sach) OR (chieu sach)) - ((hanh hang) or (thanh hoang)) cua nhung cong van toan tap*.