Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
te sach » toc sach
lang xa » lang ha, dang xay, lang van
cuu ban » cuu van, cuu san, cuu nang
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
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 y lang xa hoi. ((hieu van) or (thien van)) cham ((cuu ban) OR (cua ban)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. ((hieu van) OR (thien van)) cham ((cuu ban) OR (cua ban)) hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. ((hieu van) or (thien van)) cham ((cuu ban) OR (cua ban)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. ((hieu van) or (thien van)) cham ((cuu ban) OR (cua ban)) hanh vi cua tre*.