Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
va cham » va chat, va tham
ly nang » ky nang, ly hang, ly vang
ha cua » hoa cua, hai cua, nha cua
dau ha » dam ha, dau va, cau ha
va dau » va dao
ve cam » ve cham, ve cac, va cam
y nang » ky nang, v nang, may nang
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) OR (ly nang)) xa hoi. hieu ((ve 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) OR (ly nang)) xa hoi. hieu ((ve 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) OR (ly nang)) xa hoi. hieu ((ve cam) or (va cham)) duc va dau ha cua te".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) OR (ly nang)) xa hoi. hieu ((ve cam) or (va cham)) duc va dau ha cua te*.