Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
lang van » dang van, tang van, hoang van
sach ky » sac ky, sach y, sach ty
cua tre » cuu tre, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
van cam » van nam, van lam, van cau
vu sach » vu bach, su sach, vu khach
lang xa » lang ha, dang xay
xuc va » duc va, tuc va, luc va
cua te » cua tu

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