Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
phat thi » pham thi, phan thi, phap thi
nang xa » nang x, lang xa, nang ma
van cam » van nam, van cau, van dam
van lam » van nam
thi cua » thai cua, thi cuc, tri cua
xuc va » duc va, tuc va, luc va
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) or (hoc cao)) ky nang xa hoi. hieu ((van cam) OR (van lam)) xuc va phat thi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc cao)) ky nang xa hoi. hieu ((van cam) OR (van lam)) xuc va phat thi cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) or (hoc cao)) ky nang xa hoi. hieu ((van cam) OR (van lam)) xuc va phat thi cua te*".