Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
phan cong » thanh cong
ho chieu » theo chieu, hoc thieu, mot chieu
gian dan » gian lang
van dung » van dong, xay dung, tin dung
dung dat » dung va, dung tai
dat van » dao van, dat va, dam van
van phi » van chi, van phu, van nhi
phi dau » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((gian dan) or (phan cong)) van dung dat van phi dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((gian dan) OR (phan cong)) van dung dat van phi dau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((gian dan) or (phan cong)) van dung dat van phi dau*.