Perhaps you should try some spelling variations:
thanh dan » thanh san, thanh van, thanh dat
hieu van » hieu va, thien van, lieu va
van nang » van quang, van ban, van dong
nang tuc » nang thuc, nang luc, nang tu
xa thanh » va thanh, ha thanh, ta thanh
so lanh » so sanh, so danh, so lang
nang ma » tang ma, sang ma, nang cao
lang ha » long ha
dan cua » dan ca, ban cua, dai cua
cua tre » cua te, cuu tre, cua triet

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 ma) or (lang ha)) hoi. hieu van nang tuc xa thanh dan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so lanh dao ((nang ma) OR (lang ha)) hoi. hieu van nang tuc xa thanh dan cua tre.
• Adding a wildcard symbol may retrieve word variants: so lanh dao ((nang ma) or (lang ha)) hoi. hieu van nang tuc xa thanh dan cua tre*.