Perhaps you should try some spelling variations:
xuat duoc » luat duoc, xuan duc
toc sach » hoc sach, doc sach, thuoc sach
van xuat » san xuat, va xuat, phan xuat
thanh ve » hanh ve, thanh va, thanh vien
hieu van » hieu va, thien van, lieu va
lang xa » lang ha, dang xay, lang van
duoc va » nuoc va, duc va, duoc ma
sach ty » sach y, sach tu, sach thu
ty lang » tay lang, ty xang, ty hang
hanh va » hang va, hanh vi
cua tuc » cua duc, cua tu, cua thuoc
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty lang xa hoi. hieu van xuat duoc va ((thanh ve) or (hanh va)) ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty lang xa hoi. hieu van xuat duoc va ((thanh ve) OR (hanh va)) ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: toc sach ty lang xa hoi. hieu van xuat duoc va ((thanh ve) or (hanh va)) ((cua te) or (cua tuc))*.