Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach 2, sach vay
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
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: te ((sach v) OR (sach y)) nang xa hoi. hieu va cam xuc va hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) OR (sach y)) nang xa hoi. hieu va cam xuc va hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach v) OR (sach y)) nang xa hoi. hieu va cam xuc va hanh vi cua tre*.