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 nang » ky nang, ly hang, ly vang
cao hoi » cau hoi, co hoi, cao hoc
hieu ve » hieu va, hieu van
cac toc » cac toi, cac nuoc, cac thoi
cuc tre » duc tre, cua tre, cuu tre
cac ly » cac ky, cac le, cam ly
ve cac » va cac, vien cac
toc xa » tuc xa, toc ta, hoc xa

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 nang cao hoi. hieu ve cac toc xa ((hanh tai) or (thanh tai)) cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc cac ly nang cao hoi. hieu ve cac toc xa ((hanh tai) OR (thanh tai)) cuc tre.
• Adding a wildcard symbol may retrieve word variants: hoc cac ly nang cao hoi. hieu ve cac toc xa ((hanh tai) or (thanh tai)) cuc tre*.