Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van chat » cao chat
thanh vi » hanh vi, thanh va, thanh ve
tru nang » tra nang, tri nang, truc nano
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
van cau » van dau, van hau, toan cau
tu nang » tu nong, tu nano, tu lang
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((tu nang) or (tru nang)) xa hoi. thien ((van cau) OR (van chat)) xuc van thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((tu nang) OR (tru nang)) xa hoi. thien ((van cau) OR (van chat)) xuc van thanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((tu nang) or (tru nang)) xa hoi. thien ((van cau) OR (van chat)) xuc van thanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: su sach ((tu nang) or (tru nang)) xa hoi. thien ((van cau) OR (van chat)) xuc van thanh vi cuu tre*.