Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, pham duc
nano cau » nang cau, bang cau, nano va
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach ty » sach y, sach thu, xach tay
hieu va » lieu va, hieu qua
sach tu » sach thu, cach tu, sach uu
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: thu ((sach ty) or (sach tu)) nano cau hoi. hieu va ((cham xuc) OR (cham soc)) va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ty) OR (sach tu)) nano cau hoi. hieu va ((cham xuc) OR (cham soc)) va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ty) or (sach tu)) nano cau hoi. hieu va ((cham xuc) OR (cham soc)) va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: thu ((sach ty) or (sach tu)) nano cau hoi. hieu va ((cham xuc) OR (cham soc)) va danh vi cua te*.