Perhaps you should try some spelling variations:
phan dau » phan tu, hang dau
te sach » toc sach
va hanh » van hanh, va thanh, va danh
van cau » van dau, van hau, van chat
ty nang » ky nang, ty hang, ly nang
luu tre » luu tru, cuu tre, luy tre
xuc va » duc va, tuc va, luc va
vi luu » vi lua

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 ((ty nang) OR (ty xang)) xa hoi. hieu ((van cau) or (phan dau)) xuc va hanh vi luu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty nang) OR (ty xang)) xa hoi. hieu ((van cau) OR (phan dau)) xuc va hanh vi luu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ty nang) OR (ty xang)) xa hoi. hieu ((van cau) or (phan dau)) xuc va hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ty nang) OR (ty xang)) xa hoi. hieu ((van cau) or (phan dau)) xuc va hanh vi luu tre*.