Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
tu sach » thu sach, su sach, te sach
so sanh » do sanh
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
ve cao » ve bao, ve cac, ve co
va cao » va cac, va co, va dao
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) or (so sanh)) ky nang x ho. hieu ((ve cao) or (va cao)) duc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (so sanh)) ky nang x ho. hieu ((ve cao) OR (va cao)) duc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (so sanh)) ky nang x ho. hieu ((ve cao) or (va cao)) duc va hanh lai cua te*.