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

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