Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
tinh vai » tinh va, tinh hai, tinh bai
su sach » so sach, vu sach
so sanh » do sanh
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va tinh » may tinh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
tuc va » thuc va, truc va, tuc xa

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) or (so sanh)) ty nang xa hoi. hieu ve cham tuc va tinh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (so sanh)) ty nang xa hoi. hieu ve cham tuc va tinh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) ty nang xa hoi. hieu ve cham tuc va tinh vai cua tre*.