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