Perhaps you should try some spelling variations:
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
tuc va » thuc va, truc va, tuc xa
ve cac » va cac, vien cac
y nang » ky nang, ly nang, v nang
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 xa hoi. hieu ((ve cac) or (va cam)) tuc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) y nang xa hoi. hieu ((ve cac) OR (va cam)) tuc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) y nang xa hoi. hieu ((ve cac) or (va cam)) tuc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) y nang xa hoi. hieu ((ve cac) or (va cam)) tuc va hanh vi cua te*.