Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua dieu
tu sach » thu sach, su sach, te sach
anh lai » anh bai, anh tai, gianh lai
ty nang » ky nang, ty xang, ty hang
ve chat » van chat
sach ty » sach y, sach tu, sach thu
va chat » van chat, va phat, cao chat
duc van » duc va, duc tan, duc manh
van anh » van thanh, tuan anh, van minh
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: tu sach ty nang x hoi. hieu ((ve chat) OR (va chat)) duc van anh lai ((cua viet) or (cua vat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. hieu ((ve chat) OR (va chat)) duc van anh lai ((cua viet) OR (cua vat)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. hieu ((ve chat) OR (va chat)) duc van anh lai ((cua viet) or (cua vat))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ((ve chat) OR (va chat)) duc van anh lai ((cua viet) or (cua vat))*.