Perhaps you should try some spelling variations:
loai hoc » logic hoc, loai khoa, dai hoc
danh vai » danh sai, danh va, doanh van
hieu sau » hieu suat, tieu su, hieu va
chat tuc » chat xuc, luat tuc, chat huu
tu sang » thu sang, tu san, tu lang
va danh » va dinh, va dan, va hanh
ky sang » ky nang, ky dang, ky tang
lai hoa » dai hoa
vai cua » dai cua, hai cua, lai cua
hieu su » tieu su, hieu so, hieu suat
sang ky » sang kyo, dang ky, tang ky
cua te » cua tu
tuc va » thuc va, truc va, tuc xa

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 ((lai hoa) or (loai hoc)). ((hieu su) or (hieu sau)) chat tuc va danh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sang ky sang ((lai hoa) OR (loai hoc)). ((hieu su) OR (hieu sau)) chat tuc va danh vai cua te.
• Adding a wildcard symbol may retrieve word variants: tu sang ky sang ((lai hoa) or (loai hoc)). ((hieu su) or (hieu sau)) chat tuc va danh vai cua te*.