Perhaps you should try some spelling variations:
cham duc » pham duc, cham soc, pham duy
thanh de » hanh de, thanh ve, thanh do
thanh te » thanh ve, thanh le, thanh tu
tu sach » thu sach, su sach, tu cach
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
nang xa » nang x, lang xa, nang ma
te sach » toc sach
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: ((tu sach) or (te sach)) ky nang xa hoi. hieu vu cham duc va ((thanh te) OR (thanh de)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. hieu vu cham duc va ((thanh te) OR (thanh de)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang xa hoi. hieu vu cham duc va ((thanh te) OR (thanh de)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. hieu vu cham duc va ((thanh te) OR (thanh de)) cua te*.