Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
tuc van » truc van, tuc va, duc van
doi cua » dai cua, hoi cua
ve cam » ve cham, ve cac, va cam
de cua » le cua, te cua, dieu cua

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