Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
thu sach » tu sach, thuoc sach, thu hoach
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cao duc, pham duc, nam duoc
dich cu » dich cua, dich vu, dinh cu
cu va » cuu va, tu va, su va

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) OR (thuat sach)) ky nang xa hoi. hieu ve ((cam duc) or (cam xuc)) van dich cu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuat sach)) ky nang xa hoi. hieu ve ((cam duc) OR (cam xuc)) van dich cu va triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) OR (thuat sach)) ky nang xa hoi. hieu ve ((cam duc) or (cam xuc)) van dich cu va triet*".