Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
hieu van » hieu va, thien van, lieu va
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
tu sach » thu sach, te sach, tu cach
nang ma » tang ma, sang ma, nang cao
su sach » so sach, vu sach
ma hoi » mai hoi, xa hoi, ma hoa
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
cua te » cua tu

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 (su sach)) y nang ma hoi. hieu van ((cham xuc) or (cham soc)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) y nang ma hoi. hieu van ((cham xuc) OR (cham soc)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) y nang ma hoi. hieu van ((cham xuc) or (cham soc)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) y nang ma hoi. hieu van ((cham xuc) or (cham soc)) va danh vi cua te*.