Perhaps you should try some spelling variations:
hoang van » hang va
te sach » toc sach
cam luc » cam xuc, cau luc
hai cua » thai cua, dai cua, hoi cua
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, ve cac, va cam

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 ((nang xa) or (hoang van)) hoi. hieu ve cam luc ((va hanh) or (va danh)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (hoang van)) hoi. hieu ve cam luc ((va hanh) OR (va danh)) hai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (hoang van)) hoi. hieu ve cam luc ((va hanh) or (va danh)) hai cua tre*.