Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
y nang » ky nang, ly nang, v nang
ve cam » ve cham, ve cac, ve cai
va cam » va cac, va cao, va cai
va dau » va dao
dau ha » dam ha, dau va, cau ha
ha cua » hoa cua, hai cua, nha cua
cua te » cua tu

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 cam) OR (va cam))) or (va cham)) duc va dau ha cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ((((ve cam) OR (va cam))) OR (va cham)) duc va dau ha cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. hieu ((((ve cam) OR (va cam))) or (va cham)) duc va dau ha cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ((((ve cam) OR (va cam))) or (va cham)) duc va dau ha cua te*.