Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hanh tai » hang tai, han tai, hinh tai
hoc cac » hoc cao
ly hang » ly quang
hieu ve » hieu va, hieu van
duc tre » duoc tren, duc tien
cac ly » cac ky, cac le, cam ly
va hoi » xa hoi, va hoc, va hoa
ve cac » va cac, vien cac
cac tu » cac thu, cach tu, cac du

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc cac ly hang va hoi. hieu ve cac tu va ((hanh tai) or (thanh tai)) duc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac ly hang va hoi. hieu ve cac tu va ((hanh tai) OR (thanh tai)) duc tre.
• Adding a wildcard symbol may retrieve word variants: hoc cac ly hang va hoi. hieu ve cac tu va ((hanh tai) or (thanh tai)) duc tre*.