Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
thi hanh » thi thanh
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, tu cach
hanh xa » hanh va, hanh ma, hanh xu
te sach » toc sach
cam tu » cam thu, dam tu, tam tu
nam tu » nam thu, nam thuc
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) or (te sach)) thi hanh xa hoi. hieu ve ((cam tu) OR (nam tu)) van hanh lam ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) thi hanh xa hoi. hieu ve ((cam tu) OR (nam tu)) van hanh lam ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) thi hanh xa hoi. hieu ve ((cam tu) OR (nam tu)) van hanh lam ve triet*".