Perhaps you should try some spelling variations:
vien cac » vien bach, vien dai, vien da
van hanh » van thanh, ban hanh, van anh
hanh di » hanh vi, hanh de, hang di
lang xa » lang ha, dang xay, lang van
loc van » luoc van, hoc van, lo van
te sai » te tai, te bai, te lai
di cua » dai cua, doi cua, de cua
cua te » cua tu
sai ky » sac ky
ve cac » va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky ((nang x) OR (lang xa)) hoi. hieu ((ve cac) OR (vien cac)) loc van hanh di cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky ((nang x) OR (lang xa)) hoi. hieu ((ve cac) OR (vien cac)) loc van hanh di cua te".
• Adding a wildcard symbol may retrieve word variants: te sai ky ((nang x) OR (lang xa)) hoi. hieu ((ve cac) OR (vien cac)) loc van hanh di cua te*.