Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cam thuc » am thuc, nam thuc, cam thu
hang doi » hang loi, huong doi, hang tai
thuc van » thuc vat, thuc dan, thuc va
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
hang di » hang dien, hang dich, hang tai
hang vi » hang va, hanh vi, khang voi
su sach » so sach, vu sach
ve cam » ve cham, ve cac, va cam
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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 v nang xa hoi. hieu ve cam thuc van ((((hang di) OR (hang doi))) or (hang vi)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach v nang xa hoi. hieu ve cam thuc van ((((hang di) OR (hang doi))) OR (hang vi)) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach v nang xa hoi. hieu ve cam thuc van ((((hang di) OR (hang doi))) or (hang vi)) cua triet*".