Perhaps you should try some spelling variations:
chau tre » chay tren, chau tho, cho tre
hanh lai » hanh lam, hanh tai, thanh lap
va hanh » van hanh, va thanh, va danh
cau luc » cau truc, cau phuc
thi van » thi lan, thi hanh, thi nang
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
san ky » sang ky, van ky, dan ky
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky ((nang xa) OR (nang ma)) hoi. thi van ((cau luc) or (cam xuc)) va hanh lai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky ((nang xa) OR (nang ma)) hoi. thi van ((cau luc) OR (cam xuc)) va hanh lai chau tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky ((nang xa) OR (nang ma)) hoi. thi van ((cau luc) or (cam xuc)) va hanh lai chau tre".
• Adding a wildcard symbol may retrieve word variants: tu san ky ((nang xa) OR (nang ma)) hoi. thi van ((cau luc) or (cam xuc)) va hanh lai chau tre*.