Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
chat tuc » chat xuc, luat tuc, chat huu
ly nang » ky nang, ly hang, ly vang
va chat » van chat, va phat, cao chat
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
cu tren » tu tren, dua tren
y nang » ky nang, v nang, may nang
tuc va » thuc va, truc va, tuc xa
va cu » va cau, va chu, va su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ((y nang) or (ly nang)) xa hoi. lieu va chat tuc va hanh va cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (ly nang)) xa hoi. lieu va chat tuc va hanh va cu tren*.