Perhaps you should try some spelling variations:
dang van » hoang van, hang va
hanh tai » thanh tai, hang tai, han tai
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
va hanh » van hanh, va thanh, va danh
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
ve cac » va cac, vien cac
loc va » hoc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky ((nang xa) or (dang van)) hoi. hieu ve cac loc va hanh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky ((nang xa) OR (dang van)) hoi. hieu ve cac loc va hanh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky ((nang xa) or (dang van)) hoi. hieu ve cac loc va hanh tai cua tre*.