Perhaps you should try some spelling variations:
thanh loi » thanh hoa, thanh hai, thanh lap
vu khach » vu khanh, vu khac, vay khach
thanh di » thanh doi, thanh de, thanh do
cam loc » cam lo
hieu ve » hieu va, hieu van
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
loc va » hoc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((vu khach) or (tu sach)) ky nang x hoi. hieu ve cam loc va ((thanh di) or (thanh loi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((vu khach) OR (tu sach)) ky nang x hoi. hieu ve cam loc va ((thanh di) OR (thanh loi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((vu khach) or (tu sach)) ky nang x hoi. hieu ve cam loc va ((thanh di) or (thanh loi)) cua tre*.