Perhaps you should try some spelling variations:
thanh vinh » thanh binh, thanh tinh, thanh van
tru nang » tra nang, tri nang, truc nano
tu sach » thu sach, su sach, te sach
tu nang » tu nong, tu nano, tu lang
xuc van » duc van, luc van, vuc van
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao

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

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