Perhaps you should try some spelling variations:
toan hanh » toan thanh, toan anh, tran hanh
vien dai » hien dai
hanh tai » thanh tai, hang tai, han tai
duc toan » duc tan, duc ton, duc hoan
cuc tre » duc tre, cua tre, cuu tre
dang xa » dang xay, lang xa, dang ha
dai ky » dan ky, dai ly
sai ky » sac ky
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((dai ky) or (sai ky)) dang xa hoi. hieu ((ve cam) or (vien dai)) duc toan hanh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((dai ky) OR (sai ky)) dang xa hoi. hieu ((ve cam) OR (vien dai)) duc toan hanh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: su ((dai ky) or (sai ky)) dang xa hoi. hieu ((ve cam) or (vien dai)) duc toan hanh tai cuc tre*.