Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van quan » van ban
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
xa van » va van, ha van, ma van
cuc te » cuc thue, cuc tieu
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: thu sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) tuc xa van quan ((cuc te) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang xa hoi. hieu ((ve cam) OR (ve cac)) tuc xa van quan ((cuc te) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) tuc xa van quan ((cuc te) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang xa hoi. hieu ((ve cam) or (ve cac)) tuc xa van quan ((cuc te) OR (cua te))*.