Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc qua » toc qua, tuc cua, truc quan
kinh du » dinh du, kinh do, minh duc
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua te
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y nang xa hoi. hieu ve cam tuc qua kinh du ((cua tu) OR (cua cu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y nang xa hoi. hieu ve cam tuc qua kinh du ((cua tu) OR (cua cu))".
• Adding a wildcard symbol may retrieve word variants: so sach y nang xa hoi. hieu ve cam tuc qua kinh du ((cua tu) OR (cua cu))*.