Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va tinh » may tinh
doi cua » dai cua, hoi cua
y nang » ky nang, ly nang, v nang
luc va » duc va, tuc va, loc va
do cua » co cua, de cua, dong cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang xa hoi. ((hieu ve) or (lieu va)) cau luc va tinh ((do cua) OR (doi cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. ((hieu ve) OR (lieu va)) cau luc va tinh ((do cua) OR (doi cua)) triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. ((hieu ve) or (lieu va)) cau luc va tinh ((do cua) OR (doi cua)) triet*".