Perhaps you should try some spelling variations:
thien van » thi van
van thanh » ban thanh, van tuan
tang tai » hang tai, dung tai, sang tao
nang tai » hang tai, sang tai, nang cao
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
loc va » hoc va
sach v » sach va, sach y, sach 2
luc va » duc va, tuc va
v nang » va nang, vu nang, van nang

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 v nang ma hoa. thien van thanh ((luc va) OR (loc va)) ((nang tai) or (tang tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang ma hoa. thien van thanh ((luc va) OR (loc va)) ((nang tai) OR (tang tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v nang ma hoa. thien van thanh ((luc va) OR (loc va)) ((nang tai) or (tang tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach v nang ma hoa. thien van thanh ((luc va) OR (loc va)) ((nang tai) or (tang tai)) cua tre*.