Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van thanh » ban thanh, van tuan
thanh de » hanh de, thanh ve, thanh do
hieu van » hieu va, thien van, lieu va
xuc van » duc van, luc van, vuc van
van cam » van nam, van lam, van cau
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
tu sach » thu sach, su sach, te sach
de cua » le cua, te cua, dieu cua
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 lang) OR (ky dang)) xa hoi. hieu van cam xuc van thanh de cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (tu sach)) ((ky lang) OR (ky dang)) xa hoi. hieu van cam xuc van thanh de cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thuat sach) or (tu sach)) ((ky lang) OR (ky dang)) xa hoi. hieu van cam xuc van thanh de cua te".
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (tu sach)) ((ky lang) OR (ky dang)) xa hoi. hieu van cam xuc van thanh de cua te*.