Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
qua chat » qua nhat, qua cham, luan chat
vai cua » dai cua, hai cua, lai cua
tu sang » thu sang, tu san, tu lang
dai hoa » dai khoa, dai hoc, dai hoi
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
tuc va » thuc va, truc va, duc va
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: tu sang ((ky sang) or (ky dang)) dai hoa. hieu qua chat ((tuc va) OR (tuc xa)) thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ((ky sang) OR (ky dang)) dai hoa. hieu qua chat ((tuc va) OR (tuc xa)) thanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sang ((ky sang) or (ky dang)) dai hoa. hieu qua chat ((tuc va) OR (tuc xa)) thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu sang ((ky sang) or (ky dang)) dai hoa. hieu qua chat ((tuc va) OR (tuc xa)) thanh vai cua te*.