Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
nam thuc » nam thuoc, am thuc, nam thu
dinh dan » dinh dang, dinh duan, dinh van
nang xa » nang x, lang xa, nang ma
cam tuc » cam xuc, cam tu, dam thuc
va dinh » van dinh, va kinh, va tinh
dan cua » dan ca, ban cua, dai cua
y nang » ky nang, ly nang, v nang
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc sach y nang xa hoi. lieu va ((cam tuc) OR (nam thuc)) va dinh dan cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang xa hoi. lieu va ((cam tuc) OR (nam thuc)) va dinh dan cua te".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang xa hoi. lieu va ((cam tuc) OR (nam thuc)) va dinh dan cua te*.