Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
danh tai » doanh tai, dinh tai, hanh tai
va danh » va dinh, va dan, va hanh
tai cua » thai cua, tai cuc, tri cua
va nam » van nam, ha nam, va nay
nam tu » nam thu, nam thuc
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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 (dac sac)) ky nang x hoi. lieu va nam tu va danh tai cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (dac sac)) ky nang x hoi. lieu va nam tu va danh tai cua tu.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (dac sac)) ky nang x hoi. lieu va nam tu va danh tai cua tu*.