Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
danh ban » doanh ban, danh bat, danh bac
ban quan » van quan
quan tre » quan tren, quan tri, quang tri
ky lang » ky nang, ky dang, ky tang
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, nam duoc
va danh » va dinh, va dan, va hanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky lang van hoi. hieu va ((cam duc) or (pham duc)) va danh ban quan tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky lang van hoi. hieu va ((cam duc) OR (pham duc)) va danh ban quan tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky lang van hoi. hieu va ((cam duc) or (pham duc)) va danh ban quan tre*.