Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
tay lang » tai lang, tay tang, tay quang
cham hoc » cham soc, chat hoc, cham hoi
thai cua » than cua, tai cuc, tri cua
su sach » so sach, vu sach
ty lang » ty xang, ty hang, tu lang
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua tu, cua thuoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((ty lang) or (tay lang)) xa hoi. hieu vu cham hoc va hanh thai cua tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((ty lang) OR (tay lang)) xa hoi. hieu vu cham hoc va hanh thai cua tuc.
• Adding a wildcard symbol may retrieve word variants: su sach ((ty lang) or (tay lang)) xa hoi. hieu vu cham hoc va hanh thai cua tuc*.