Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach lo » sach dao, sach doi, sach hoi
cua tre » cua te, cua triet, dua tren
hanh de » hanh ve, hanh kem
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
lo nang » ho nang, ly nang, loai nang
cuu tre » cau tren, cau treo
ve cam » ve cham, ve cac, va cam
xuc va » duc va, tuc va, luc va

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