Perhaps you should try some spelling variations:
sach tru » sach truc, sach thu, sach tu
tru nang » tra nang, tri nang, truc nano
chat xuc » chat huu, cam xuc, chao xu
loai ve » loai va, hoai ve, loai viet
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
tu sach » thu sach, su sach, te sach
va chat » van chat, va phat, cao chat
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
lai ve » lai va, la ve, lai de

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 tru nang ma hoi. hieu va chat xuc ((va hanh) or (va danh)) ((lai ve) or (loai ve)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tru nang ma hoi. hieu va chat xuc ((va hanh) OR (va danh)) ((lai ve) OR (loai ve)) triet.
• Adding a wildcard symbol may retrieve word variants: tu sach tru nang ma hoi. hieu va chat xuc ((va hanh) or (va danh)) ((lai ve) or (loai ve)) triet*.