Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh dat, thanh oai
thanh tai » thanh hai, thanh toan, doanh tai
thu sach » tu sach, thuat sach, thuoc sach
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
ve cam » ve cac, va cam, ve cai
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: thu sach ky nang x hoi. hieu ((ve cam) or (ve cham)) duc va ((thanh dai) OR (thanh tai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang x hoi. hieu ((ve cam) OR (ve cham)) duc va ((thanh dai) OR (thanh tai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang x hoi. hieu ((ve cam) or (ve cham)) duc va ((thanh dai) OR (thanh tai)) cua te".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang x hoi. hieu ((ve cam) or (ve cham)) duc va ((thanh dai) OR (thanh tai)) cua te*.