Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hang doi » hang di, hang loi, huong doi
thuc dan » thuc hanh, hoc dan, thuc vat
truc van » truc va, thuc van, truc ban
sach thu » sach thue, sach thieu, sach tham
doi cua » dai cua, hoi cua
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thu ((nang xa) OR (nang x)) hoi. hieu ve cam ((truc van) or (thuc dan)) hang doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((nang xa) OR (nang x)) hoi. hieu ve cam ((truc van) OR (thuc dan)) hang doi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu ((nang xa) OR (nang x)) hoi. hieu ve cam ((truc van) or (thuc dan)) hang doi cua triet*".