Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh lam » thanh lap, hanh kem, hanh va
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
bo sach » co sach, hoc sach
ty nang » ky nang, ty xang, ty hang
ma hoi » mai hoi, ma hoa, me hoi
lam ve » la ve, lam vu, nam ve
ve cac » va cac, vien cac
tu xa » tu va, te xa, tu ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty nang ((ma hoi) OR (xa hoi)). hieu ve cac ((tu xa) or (tu xay)) hanh lam ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ty nang ((ma hoi) OR (xa hoi)). hieu ve cac ((tu xa) OR (tu xay)) hanh lam ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ty nang ((ma hoi) OR (xa hoi)). hieu ve cac ((tu xa) or (tu xay)) hanh lam ve triet*".