Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
bach nuoc » bach tuoc, sach nuoc, cac nuoc
bich ngoc » bich nga, dinh ngoc
so sach » so sanh, bo sach, co sach
ty nang » ky nang, ty xang, ty hang
nang xa » nang x, lang xa, nang ma
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
vi cua » di 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 ty nang xa hoi. hieu hien ((bach nuoc) OR (bich ngoc)) va danh ((vi cua) or (vai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty nang xa hoi. hieu hien ((bach nuoc) OR (bich ngoc)) va danh ((vi cua) OR (vai cua)) tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang xa hoi. hieu hien ((bach nuoc) OR (bich ngoc)) va danh ((vi cua) or (vai cua)) tu*".