Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh hai » thanh hai, nhanh hai, hang hai
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
xang xa » lang xa, mang xa, ang xa
xuc va » duc va, tuc va, luc va
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao

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 ty xang xa hoi. hieu ((ve cam) OR (va cam)) xuc va hanh hai ((cua tre) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) xuc va hanh hai ((cua tre) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) xuc va hanh hai ((cua tre) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ty xang xa hoi. hieu ((ve cam) OR (va cam)) xuc va hanh hai ((cua tre) or (ve triet))*.