Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hanh vai » hanh va, hanh tai, hanh van
hien cac » thien cac, vien cac, hieu cac
sach ty » sach y, sach tu, sach thu
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
cac vo » cac co, cac vi, cac bo
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((nang xa) or (nang x)) hoi. hieu hien cac vo van ((hanh vai) OR (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang xa) OR (nang x)) hoi. hieu hien cac vo van ((hanh vai) OR (hanh vi)) cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang xa) or (nang x)) hoi. hieu hien cac vo van ((hanh vai) OR (hanh vi)) cua te*".