Perhaps you should try some spelling variations:
thu quynh » thuy quynh, thi quynh, nhu quynh
trinh van » trinh han, trinh quan, trinh toan
su triet » su viet, su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
ve nam » he nam, va nam, le nam
van su » dan su
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang x hoi. hieu ve nam ((tu duy) or (thu quynh)) trinh van su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang x hoi. hieu ve nam ((tu duy) OR (thu quynh)) trinh van su triet.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ve nam ((tu duy) or (thu quynh)) trinh van su triet*.