Perhaps you should try some spelling variations:
tinh hai » tinh thai, tinh chat, trinh han
cham tuc » nham thuc, pham thuc, tham thuc
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
va tinh » may tinh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
cua cay » cua cac
tuc va » thuc va, truc va, tuc xa
cua te » cua tu
x hoi » o hoi, x ho, 5 hoi

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) OR (xa hoi)). hieu ve cham tuc va tinh hai ((cua te) or (cua cay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((x hoi) OR (xa hoi)). hieu ve cham tuc va tinh hai ((cua te) OR (cua cay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang ((x hoi) OR (xa hoi)). hieu ve cham tuc va tinh hai ((cua te) or (cua cay))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((x hoi) OR (xa hoi)). hieu ve cham tuc va tinh hai ((cua te) or (cua cay))*.