Perhaps you should try some spelling variations:
cham cuu » cap cuu, chat cua
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
tang ma » mang may, tang van
hieu va » hieu qua
luy tre » luyen tre
te cac » tu cac, ve cac, te cao
vi luy » vi lua, vi luu

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky ((nang xa) or (tang ma)) hoi. ((hieu va) OR (lieu va)) cham cuu van hanh vi luy tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky ((nang xa) OR (tang ma)) hoi. ((hieu va) OR (lieu va)) cham cuu van hanh vi luy tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky ((nang xa) or (tang ma)) hoi. ((hieu va) OR (lieu va)) cham cuu van hanh vi luy tre".
• Adding a wildcard symbol may retrieve word variants: te cac ky ((nang xa) or (tang ma)) hoi. ((hieu va) OR (lieu va)) cham cuu van hanh vi luy tre*.