Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van nang » van quang, van ban, van dong
nang tuc » nang thuc, nang luc, nang tu
tinh van » trinh van, dinh van, tinh va
so lanh » so sanh, so danh, so lang
nang xa » nang x, lang xa, nang ma
lang ha » long ha
va tinh » may tinh
van cua » vang cua, ban cua, dan cua
cua tre » cua te, cuu tre, cua triet
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: so lanh dao ((nang xa) or (lang ha)) hoi. hieu van nang tuc va tinh van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lanh dao ((nang xa) OR (lang ha)) hoi. hieu van nang tuc va tinh van cua tre.
• Adding a wildcard symbol may retrieve word variants: so lanh dao ((nang xa) or (lang ha)) hoi. hieu van nang tuc va tinh van cua tre*.