Perhaps you should try some spelling variations:
tinh hai » tinh thai, tinh chat, trinh han
nham thu » nham thuc, nam thu, pham thu
cham tuc » nham thuc, pham thuc, tham thuc
te sach » toc sach
hai duc » hoai duc, mai duc, ha duc
va tinh » may tinh
hieu ve » hieu va, hieu van
ly nang » ky nang, ly hang, ly vang
duc tre » duoc tren, duc tien
y nang » ky nang, v nang, may nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) OR (ly nang)) ma hoi. hieu ve ((cham tuc) or (nham thu)) va tinh hai duc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (ly nang)) ma hoi. hieu ve ((cham tuc) OR (nham thu)) va tinh hai duc tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) ma hoi. hieu ve ((cham tuc) or (nham thu)) va tinh hai duc tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) ma hoi. hieu ve ((cham tuc) or (nham thu)) va tinh hai duc tre*.