Perhaps you should try some spelling variations:
bach nuoc » sach nuoc, bich ngoc, cac nuoc
dieu hien » dieu khien, dieu kien, bieu hien
bach tuoc » sach duoc, sach nuoc
hoc sach » hoc sinh, hoc cac, hoc anh
co sach » bo sach, cuon sach
nang xa » nang x, lang xa, nang ma
va dau » va dao
dau vi » dau ve, dau va, dat vi
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co sach) or (hoc sach)) ky nang xa hoi. dieu hien ((bach nuoc) OR (bach tuoc)) va dau vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co sach) OR (hoc sach)) ky nang xa hoi. dieu hien ((bach nuoc) OR (bach tuoc)) va dau vi cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co sach) or (hoc sach)) ky nang xa hoi. dieu hien ((bach nuoc) OR (bach tuoc)) va dau vi cua tu*".