Perhaps you should try some spelling variations:
su sach » so sach, vu sach
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
vu cham » vu kham, tu cham, qua cham
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y lang xa hoi. hieu ((ve cam) or (((vu cham) or (va cham)))) tuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y lang xa hoi. hieu ((ve cam) OR (((vu cham) OR (va cham)))) tuc va hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y lang xa hoi. hieu ((ve cam) or (((vu cham) or (va cham)))) tuc va hanh vi cua tre*.