Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
hanh vai » hanh vi, hanh va, hanh tai
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
xac ky » cac ky, bac ky
sac ky » cac ky, sai ky
cac lo » cac lop, cac co, cac bo
lo va » lo van, lao va, ly va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((xac ky) or (sac ky)) lang xa hoi. hieu va cac lo va ((hanh vai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((xac ky) OR (sac ky)) lang xa hoi. hieu va cac lo va ((hanh vai) OR (thanh tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: thu ((xac ky) or (sac ky)) lang xa hoi. hieu va cac lo va ((hanh vai) or (thanh tai)) cua tre*.