Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, thanh thao
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
cam duc » cam xuc, cao duc, pham duc
tang xa » trang xa, tang ma, tang ha
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
duc ban » duc tan, duc van, dua ban
su cac » tu cac, su cao, su can
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cac ky ((tang xa) OR (lang xa)) hoi. hieu ve cam duc ban ((thanh thai) or (nhanh thai)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cac ky ((tang xa) OR (lang xa)) hoi. hieu ve cam duc ban ((thanh thai) OR (nhanh thai)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su cac ky ((tang xa) OR (lang xa)) hoi. hieu ve cam duc ban ((thanh thai) or (nhanh thai)) cua te".
• Adding a wildcard symbol may retrieve word variants: su cac ky ((tang xa) OR (lang xa)) hoi. hieu ve cam duc ban ((thanh thai) or (nhanh thai)) cua te*.