Perhaps you should try some spelling variations:
ban thai » ban than, ban thi, ban tai
dua tren » dung tren
sach ty » sach y, sach thu, xach tay
sach tu » sach thu, cach tu, sach uu
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 ty) OR (sach tu)) nang x hoi. lieu va cac xuc van ban thai ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang x hoi. lieu va cac xuc van ban thai ((dua tren) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach tu)) nang x hoi. lieu va cac xuc van ban thai ((dua tren) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach tu)) nang x hoi. lieu va cac xuc van ban thai ((dua tren) or (cua te))*.