Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach thu » sach thue, sach thieu, sach tham
thu hanh » thuc hanh, thu thanh, thuy hanh
hanh lam » thanh lap, hanh kem, hanh va
va hanh » van hanh, va thanh, va danh
va cham » va chat, va tham
tu sach » thu sach, su sach, te sach
hanh xa » hanh va, hanh ma, hanh xu
ve cham » ve chat, vu cham, ve chim
ve cam » ve cac, va cam, ve cai
xuc va » duc va, tuc va, luc va
lam ve » la ve, lam vu, nam ve

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