Perhaps you should try some spelling variations:
thuc dan » thuc hanh, hoc dan, thuc vat
danh sai » dung sai, danh bat, danh dau
va triet » va thiet, va trien, ve triet
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
danh va » doanh va, hanh va, anh va
y nang » ky nang, ly nang, v nang
ve am » va am

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 y nang xa hoi. hieu ve am thuc dan ((danh va) or (danh sai)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ve am thuc dan ((danh va) OR (danh sai)) va triet.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ve am thuc dan ((danh va) or (danh sai)) va triet*.