Perhaps you should try some spelling variations:
xa truong » cac truong
so sach » so sanh, bo sach, co sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
nang ro » nang co, nang ho, nang ra
hieu va » lieu va, hieu qua
doi cua » dai cua
hoi cua » hoi chuc
ro hoi » co hoi, o hoi, mo hoi
cac tu » cac thu, cach tu, cac du
tu xa » tu xay, tu va, te xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ty nang ro hoi. hieu va cac tu xa truong ((doi cua) OR (hoi cua)) tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty nang ro hoi. hieu va cac tu xa truong ((doi cua) OR (hoi cua)) tre".
• Adding a wildcard symbol may retrieve word variants: so sach ty nang ro hoi. hieu va cac tu xa truong ((doi cua) OR (hoi cua)) tre*.