Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, tu cach
vai cuu » vai cua
duc van » duc va, duc tan, duc manh
cuu tre » cua tre, cau tren, cau treo
hang xa » hoang xa, hang va, hang ca
tu hang » thu hang, tu hanh, tu hung
te sach » toc sach
ve cac » va cac, vien cac
ve cam » ve cham, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sach) or (te sach)) tu hang xa hoi. hieu ((ve cam) or (ve cac)) duc van hanh vai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) tu hang xa hoi. hieu ((ve cam) OR (ve cac)) duc van hanh vai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) tu hang xa hoi. hieu ((ve cam) or (ve cac)) duc van hanh vai cuu tre*.