Perhaps you should try some spelling variations:
va tuyen » va truyen, tac tuyen, ke tuyen
chieu ke » hieu ky, hieu ve, hieu kem
va trien » va truyen, va thiet, va tieng
chau phu » chau phi, chau au, chau tho
la hanh » va hanh, lu hanh, ly hanh
vu sach » vu bach, su sach, vu khach
hieu ke » hieu kem, hieu ky, hieu ve
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
phu la » phu ly

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