Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
lap phat » lap phap, phap phat, va phat
va thanh » gia thanh, ban thanh, va tinh
cau luc » cau truc, cau phuc
cau duc » cao duc, chu duc, cau truc
sach ky » sach y, sach ty, sach kem
hieu va » lieu va, hieu qua
nang ro » nang co, nang ho, nang ra
ro hoi » co hoi, o hoi, mo hoi
sac ky » cac ky, sai ky

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 ky) OR (sac ky)) nang ro hoi. hieu va ((cau duc) or (cau luc)) va thanh lap phat trien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) nang ro hoi. hieu va ((cau duc) OR (cau luc)) va thanh lap phat trien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) OR (sac ky)) nang ro hoi. hieu va ((cau duc) or (cau luc)) va thanh lap phat trien".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) OR (sac ky)) nang ro hoi. hieu va ((cau duc) or (cau luc)) va thanh lap phat trien*.