Perhaps you should try some spelling variations:
dinh cuu » dinh chi
vinh cuu » sinh cua, dinh cu, tinh cua
tu sach » thu sach, su sach, tu cach
cham xu » chao xu, cham cuu, chat xuc
va tinh » may tinh
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
te sach » toc sach
xu va » xu van, tu va, su va

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) or (te sach)) ky nang xa hoi. hieu va cham xu va tinh ((vinh cuu) OR (dinh cuu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang xa hoi. hieu va cham xu va tinh ((vinh cuu) OR (dinh cuu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang xa hoi. hieu va cham xu va tinh ((vinh cuu) OR (dinh cuu)) tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang xa hoi. hieu va cham xu va tinh ((vinh cuu) OR (dinh cuu)) tre*.