Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
va thanh » gia thanh, ban thanh, va tinh
thu sach » thuat sach, thuoc sach, thu hoach
hai cuc » tai cuc, hai cua, thai cua
hai cuu » hai cua, hai chu, thai cua
tu sach » su sach, te sach, tu cach
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
tuc va » thuc va, truc va, tuc xa
y nang » ky nang, ly nang, v nang

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