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