Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
dang van » hoang van, hang va
hanh hai » nhanh hai, hang hai, hanh tai
te sach » toc sach
cam luc » cam xuc, cau luc
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
luc va » duc va, tuc va, loc va
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 (dang van)) hoi. hieu ve cam luc va ((hanh hai) OR (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (dang van)) hoi. hieu ve cam luc va ((hanh hai) OR (thanh hai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) or (dang van)) hoi. hieu ve cam luc va ((hanh hai) OR (thanh hai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) or (dang van)) hoi. hieu ve cam luc va ((hanh hai) OR (thanh hai)) cua tre*.