Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thanh de » hanh de, thanh ve, thanh le
thanh do » thanh pho, thanh hoa, thanh loi
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
xuc van » duc van, luc van, vuc van
va cam » va cham, va cac, va cao
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: ((thuat sach) or (tu sach)) ky nang xa hoi. lieu va cam xuc van ((thanh de) OR (thanh do)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (tu sach)) ky nang xa hoi. lieu va cam xuc van ((thanh de) OR (thanh do)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) or (tu sach)) ky nang xa hoi. lieu va cam xuc van ((thanh de) OR (thanh do)) cua te".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (tu sach)) ky nang xa hoi. lieu va cam xuc van ((thanh de) OR (thanh do)) cua te*.