Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hoc sach » hoc sinh, hoc cac, hoc anh
nang xa » nang x, lang xa, nang ma
han tai » hang tai, nhan tai, van tai
tai cua » thai cua, tai cuc, tri cua
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, duc 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: ((thu sach) or (hoc sach)) ky nang xa hoi. lieu va cam ((tuc va) or (tuc xa)) han tai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (hoc sach)) ky nang xa hoi. lieu va cam ((tuc va) OR (tuc xa)) han tai cua te.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (hoc sach)) ky nang xa hoi. lieu va cam ((tuc va) or (tuc xa)) han tai cua te*.