Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
te sach » toc sach
lang xa » lang ha, dang xay, lang van
va cham » va chat, va tham
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa

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 y lang xa hoi. lieu va cham ((luc va) or (tuc va)) hanh vi ((dau tren) or (cua tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. lieu va cham ((luc va) OR (tuc va)) hanh vi ((dau tren) OR (cua tre)).
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. lieu va cham ((luc va) or (tuc va)) hanh vi ((dau tren) or (cua tre))*.