Perhaps you should try some spelling variations:
nano cau » nang cau, bang cau, nano va
sach thu » sach thue, sach tham, cach thuc
va hanh » van hanh, va thanh, va danh
vi cua » vai cua, di cua
xuc va » duc va, tuc va, luc va
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
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 thu) OR (sach thieu)) nano cau hoi. hieu ((ve cam) or (ve cac)) xuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach thu) OR (sach thieu)) nano cau hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach thu) OR (sach thieu)) nano cau hoi. hieu ((ve cam) or (ve cac)) xuc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach thu) OR (sach thieu)) nano cau hoi. hieu ((ve cam) or (ve cac)) xuc va hanh vi cua te*.