Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
chau phu » chau phi, chau au, chau tho
ly nang » ky nang, ly hang, ly vang
hieu ke » hieu kem, chieu ke, hieu ky
ke chau » ke cau, ky chau, ke chiu
vu sach » vu bach, su sach, vu khach
y nang » ky nang, v nang, may nang
phu va » phuc va, phu la, phu da
gia ve » gian ve, gia va, gia viet
gi ve » gi de, gi he, vi ve

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