Perhaps you should try some spelling variations:
cap nuoc » dat nuoc
hang vai » hang tai, hang hai, hang vat
ve triet » va trien, su triet
su sach » so sach, vu sach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hang vi » hanh vi, hang di, khang voi
ve cap » ve cac, le cap, ve cai

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 ly nang xa hoi. hieu ve cap nuoc va ((((hang vai) OR (hang vi))) or (hang va)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ly nang xa hoi. hieu ve cap nuoc va ((((hang vai) OR (hang vi))) OR (hang va)) ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ly nang xa hoi. hieu ve cap nuoc va ((((hang vai) OR (hang vi))) or (hang va)) ve triet*".