Perhaps you should try some spelling variations:
thien van » thi van
truan doi » truyen doi, quan doi, khuan doi
cua triet » cua viet, su triet, va triet
te sach » toc sach
nang co » nang cao, nang doc, nang noi
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
doi cua » dai cua, hoi cua
te sac » te cac, te san
co loi » co hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te sach)) ky nang co loi. thien van nam ((luc van) or (duc van)) truan doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te sach)) ky nang co loi. thien van nam ((luc van) OR (duc van)) truan doi cua triet.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te sach)) ky nang co loi. thien van nam ((luc van) or (duc van)) truan doi cua triet*.