Perhaps you should try some spelling variations:
thanh lai » thanh lap, thanh tai, thanh oai
thanh hai » thanh phan, thanh hoa, thanh san
thanh loi » thanh hoa, thanh lap
cua tre » cua te, cuu tre, cua triet
duc ban » duc tan, duc van, dua ban
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam
ma hoi » mai hoi, xa hoi, ma hoa
te sac » te sach, te cac, te san

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky nang ma hoi. hieu ve cam duc ban ((((thanh lai) or (thanh loi))) or (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky nang ma hoi. hieu ve cam duc ban ((((thanh lai) OR (thanh loi))) OR (thanh hai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky nang ma hoi. hieu ve cam duc ban ((((thanh lai) or (thanh loi))) or (thanh hai)) cua tre*.