Perhaps you should try some spelling variations:
tang thanh » dang thanh, trung thanh, hoang thanh
thuoc sach » hoc sach, nuoc sach, thuat sach
tan thanh » tran thanh, toan thanh, ban thanh
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
lap cua » lai cua, tap cua, lam cua
sach ty » sach y, sach tu, sach thu
ve cac » va cac, vien cac
ve cao » va cao, ve bao, ve co
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: thuoc sach ty nang xa hoi. hieu ((ve cao) OR (ve cac)) duc ((tan thanh) or (tang thanh)) lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach ty nang xa hoi. hieu ((ve cao) OR (ve cac)) duc ((tan thanh) OR (tang thanh)) lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach ty nang xa hoi. hieu ((ve cao) OR (ve cac)) duc ((tan thanh) or (tang thanh)) lap cua te".
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty nang xa hoi. hieu ((ve cao) OR (ve cac)) duc ((tan thanh) or (tang thanh)) lap cua te*.