Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, hien hanh
bieu hien » dieu hien, dieu khien, bien phien
bach nuoc » bach tuoc, sach nuoc, bich ngoc
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) OR (co sach)) ty nang xa hoi. bieu hien bach nuoc va danh ((di cua) or (de cua)) tuc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ty nang xa hoi. bieu hien bach nuoc va danh ((di cua) OR (de cua)) tuc*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (co sach)) ty nang xa hoi. bieu hien bach nuoc va danh ((di cua) or (de cua)) tuc*".