Perhaps you should try some spelling variations:
thien van » thi van
thanh vi » hanh vi, thanh va, thanh ve
truc gia » truc giac, tuc gia, thuc giai
bac truc » ba truc, bac trung, sach truc
su sach » so sach
cua tre » cua te, cua triet, dua tren
van bac » van ban, van bao, van hac
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
vu sach » vu bach, vu khach
cuu tre » cau tren, cau treo

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) OR (vu sach)) ty lang xa hoi. thien van bac truc gia thanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ty lang xa hoi. thien van bac truc gia thanh vi ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ty lang xa hoi. thien van bac truc gia thanh vi ((cua tre) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ty lang xa hoi. thien van bac truc gia thanh vi ((cua tre) or (cuu tre))*.