Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thinh le » trinh ly
sac van » cac van, san van, sat van
soc van » hoc van, oc van, soc dan
ve cham » va cham, ve chat, vu cham
te sach » toc sach
va nang » van nang, da nang, cam nang
hieu ve » hieu va, hieu van
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
le cua » ly cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) or (va nang)) ma hoi. hieu ve cham ((soc van) OR (sac van)) thinh le cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (va nang)) ma hoi. hieu ve cham ((soc van) OR (sac van)) thinh le cua viet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (va nang)) ma hoi. hieu ve cham ((soc van) OR (sac van)) thinh le cua viet*".