Perhaps you should try some spelling variations:
thinh tai » chinh tai, trinh tai, thanh tai
hinh tai » chinh tai, hinh thai, hinh bai
hoc cac » hoc cao
ly hang » ly quang
hang ca » hang va, nang cao, hang tai
hieu ve » hieu va, hieu van
cac tuc » cac toc, cac tu, cac tac
cuc tre » duc tre, cua tre, cuu tre
cac ly » cac ky, cac le, cam ly
ca hoi » cau hoi, cua hoi, xa hoi
ve cac » va cac, vien cac

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