Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
hoc sac » hoc sach, hoc mac, hoc sau
hoc cac » hoc cao
ky lang » ky nang, ky dang, ky tang
lang ha » long ha
hieu ve » hieu va, hieu van
cam duc » cao duc, pham duc, nam duoc
vi cua » vai cua, di cua
ha hoi » hoa hoi, ha noi, xa hoi
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: ((hoc sac) or (hoc cac)) ky lang ha hoi. hieu ve ((cam duc) or (cam xuc)) ban thanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sac) OR (hoc cac)) ky lang ha hoi. hieu ve ((cam duc) OR (cam xuc)) ban thanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((hoc sac) or (hoc cac)) ky lang ha hoi. hieu ve ((cam duc) or (cam xuc)) ban thanh vi cua te*.