Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
hieu su » hieu sau, tieu su, hieu suat
hieu so » thieu so
vai cua » dai cua, hai cua, lai cua
sang ma » tang ma, nang ma, sang tao
xu gia » xu giao, vu gia
sac ky » sai ky
ma hoi » mai hoi, xa hoi, ma hoa
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 ((sac ky) or (cac ky)) sang ma hoi. ((hieu su) OR (hieu so)) chao xu gia thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sac ky) OR (cac ky)) sang ma hoi. ((hieu su) OR (hieu so)) chao xu gia thanh vai cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) or (cac ky)) sang ma hoi. ((hieu su) OR (hieu so)) chao xu gia thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) or (cac ky)) sang ma hoi. ((hieu su) OR (hieu so)) chao xu gia thanh vai cua te*.