Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
ke chau » ke cau, ky chau, le chau
ke chiu » ke chi
la hanh » va hanh, lu hanh, ly hanh
y nang » ky nang, ly nang, v nang
phu la » phu ly
vi va » vai va, vu va, bi va

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang xa hoi. hieu ((ke chau) or (ke chiu)) phu la hanh ((vi va) OR (vi van)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. hieu ((ke chau) OR (ke chiu)) phu la hanh ((vi va) OR (vi van)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y nang xa hoi. hieu ((ke chau) or (ke chiu)) phu la hanh ((vi va) OR (vi van)) triet".
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. hieu ((ke chau) or (ke chiu)) phu la hanh ((vi va) OR (vi van)) triet*.