Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
thanh vai » thanh hai, thanh van, thanh oai
chat qua » chat cua, nhat qua, chat lua
hieu van » hieu va, thien van, lieu va
van chat » cao chat
cua tre » cua te, cuu tre, cua triet
qua ban » cua ban, qua quan
nang ma » tang ma, sang ma, nang cao
ma hoi » mai hoi, xa hoi, ma hoa
tu sac » tu sach, tu san, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) OR (tu cac)) ky nang ma hoi. hieu van chat qua ban ((thanh vai) or (thanh tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu cac)) ky nang ma hoi. hieu van chat qua ban ((thanh vai) OR (thanh tai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) OR (tu cac)) ky nang ma hoi. hieu van chat qua ban ((thanh vai) or (thanh tai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) OR (tu cac)) ky nang ma hoi. hieu van chat qua ban ((thanh vai) or (thanh tai)) cua tre*.