Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
cham tuc » nham thuc, pham thuc, tham thuc
sach tu » cach tu, sach ty, sach uu
cua tre » cua te, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
cuu tre » cau tren, cau treo
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: te ((sach tu) or (sach thu)) lang xa hoi. hieu va cham tuc va hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (sach thu)) lang xa hoi. hieu va cham tuc va hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (sach thu)) lang xa hoi. hieu va cham tuc va hanh vi ((cua tre) or (cuu tre))*.