Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
danh vi » hanh vi, dinh vi, danh di
cua tu » cua tuc, cua su, cua cu
tuc va » thuc va, truc va, tuc xa
xuc va » duc va, luc va, xac va
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty lang xa hoi. hieu ve cac ((xuc va) OR (tuc va)) danh vi ((cua te) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty lang xa hoi. hieu ve cac ((xuc va) OR (tuc va)) danh vi ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ty lang xa hoi. hieu ve cac ((xuc va) OR (tuc va)) danh vi ((cua te) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: vu sach ty lang xa hoi. hieu ve cac ((xuc va) OR (tuc va)) danh vi ((cua te) or (cua tu))*.